Sinjela, Kwangaika Mwala, Jimmy Kijai, and Josephine Esther Katenga. “Teachers ́ Perception of Coherence in High School Biology Textbooks in Zambia”. 11th International Scholars Conference 7, no. 1 (December 18, 2019): 1466-1489. Accessed November 24, 2024. https://jurnal.unai.edu/index.php/isc/article/view/926.